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Finding the Fourth Proportional to 73,010.50, 100,753.46 and 41,189.64

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Solution

The fourth proportional to 73,010.50, 100,753.46 and 41,189.64 is: 56,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,010.50 : 100,753.46 = 41,189.64 : x
  2. Step 2: Convert to fraction form
    73,010.50/100,753.46 = 41,189.64/x
  3. Step 3: Cross multiply
    73,010.50x = 100,753.46 × 41,189.64
  4. Step 4: Simplify right side
    73,010.50x = 4,149,998,746.15
  5. Step 5: Solve for x
    x = 4,149,998,746.15/73,010.50
  6. Step 6: Final answer
    x = 56,841.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.